random模块

#__author__:Administrator}
#data: 2017/12/1

import random

#print(random.random())#随机产生0到1的随机数
# print(random.randint(1,8))#随机产生1到8的整数随机数，包括8
# print(random.choice('hellow'))#序列随机选择一个
# print(random.choice([1,2,3,4,5,5,6,6]))
#print(random.sample([1,2,3,4,5,5,6,6],2))#从序列中重新选择多个值，后面参数设置几个值
# print(random.randrange(1,3))#不包括3

#print(chr(88))#X数字字母转化
#例子，生成验证码
#方法一
# def v_code():
#     code = ''
#     for i in range(5):
#         if i ==random.randint(0,3):
#             add = random.randrange(10)
#         else:
#             add = chr(random.randrange(65,91))
#         code +=str(add )
#     print(code)

# v_code()


#方法二
# def v_code():
#     code = ''
#     for i in range(5):
#         add = random.choice([random.randrange(10),chr(random.randrange(65,91))])
#
#         code += str(add)
#     print(code)
#
# v_code()